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XLS Converter

Convert Microsoft Excel Legacy (.xls) files online instantly. No signup, no watermarks. Drag & drop your file and download in seconds.

Convert XLS to…

15 output formats available for .xls files

XLS → CSVXLS → XLSXXLS → XLSMXLS → XLTXXLS → ODSXLS → FODSXLS → TSVXLS → DBFXLS → DIFXLS → SLKXLS → PDFXLS → HTMLXLS → JSONXLS → XMLXLS → YAML

Convert … to XLS

13 input formats can be converted to .xls

CSV → XLSXLSX → XLSXLSM → XLSXLTX → XLSODS → XLSFODS → XLSTSV → XLSDBF → XLSDIF → XLSSLK → XLSPRN → XLSSXC → XLSXLSB → XLS

About Microsoft Excel Legacy

XLS is the legacy Excel format (pre-2007) — still encountered in business workflows.

XLS Format Details →Browse Spreadsheet Formats →

Frequently Asked Questions

How do I convert XLS files?▼

Upload your .xls file to CocoConvert, select your desired output format, and click Convert. Your file is processed on secure servers and ready to download in seconds. No software installation needed.

How much does XLS conversion cost?▼

CocoConvert offers XLS conversion with no signup required. You get 5 files per hour (up to 250 MB each) on the starter tier. Pro users get 100 files per hour and 5 GB per file.

What formats can I convert XLS to?▼

CocoConvert supports converting XLS to 15 different formats including CSV, XLSX, XLSM, XLTX, ODS and 10 more.

Are my files secure?▼

Yes. Files are encrypted in transit via TLS, processed on isolated servers in Germany, never analysed or shared, and permanently deleted within 24 hours.